279972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1$

素因数の和:129

約数の個数: 72

約数和(自身を含む): 891072

約数和(自身を除く): 611100

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 101, 126, 132, 154, 198, 202, 231, 252, 303, 308, 396, 404, 462, 606, 693, 707, 909, 924, 1111, 1212, 1386, 1414, 1818, 2121, 2222, 2772, 2828, 3333, 3636, 4242, 4444, 6363, 6666, 7777, 8484, 9999, 12726, 13332, 15554, 19998, 23331, 25452, 31108, 39996, 46662, 69993, 93324, 139986, 279972]

約数ペア:

[(1, 279972), (2, 139986), (3, 93324), (4, 69993), (6, 46662), (7, 39996), (9, 31108), (11, 25452), (12, 23331), (14, 19998), (18, 15554), (21, 13332), (22, 12726), (28, 9999), (33, 8484), (36, 7777), (42, 6666), (44, 6363), (63, 4444), (66, 4242), (77, 3636), (84, 3333), (99, 2828), (101, 2772), (126, 2222), (132, 2121), (154, 1818), (198, 1414), (202, 1386), (231, 1212), (252, 1111), (303, 924), (308, 909), (396, 707), (404, 693), (462, 606)]